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The test method

The Static Plate Load Test

The Static Plate Load Test applies in earthworks and foundation engineering as well as road construction in order to determine load settlement lines and by this to evaluate the deformability and the load capacity of the soil.

Static Plate Load Tester accoding to DIN 18134, ASTM D1195,1196

The examining soil layer is repeatedly in steps loaded and unloaded by a circular load plate by means of a load device. The settlement measuring instrument consists of the measuring frame with probing arm and dial gauge. As a counterbalance of the load device a heavy-weight construction vehicle is used.

For test evaluation, the settlements of each loading stage and the corresponding average normal stress under the load plate are shown in a diagram as load settlement curves.

The modulus of deformation Ev is determined from the load settlement line of the first load (Ev1) and the second load (Ev2). Through the first loading a certain remaining deformation always obtains and therefore the proportion of the accordingly higher Ev2 value to the Ev1 value provides an indication to the attained compaction.

The procedure of the Static Plate Load Test is standardized in DIN 18134.

Comprehensive correlations to direct test methods are available.

HMP PDGpro Messergebnis sofort ausdrucken, Verformungsmodul Ev, Ev2/Ev1, Drucksetzungslinie After reaching the last loading stage, the Ev1, Ev2 and the ratio Ev2 / Ev1 are calculated and displayed immediately. Scrolling will take you to the corresponding load settlement lines and to the GPS coordinates of the measuring point.

The measurement and its curve- and GPS data an be printed out directly or transferred onto a USB stick or via cable directly to the PC for later processing.

Display HMP PDGpro - intuitive menu navigation, display Ev1, Ev2, load settlement lines

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